/* Allocate dma coherent memory */
        buf_info = buf_base;
        buf_info->size = payload_len;
-       buf_info->virt = dma_alloc_coherent(&bfad->pcidev->dev, buf_info->size,
-                                       &buf_info->phys, GFP_KERNEL);
+       buf_info->virt = dma_zalloc_coherent(&bfad->pcidev->dev,
+                                            buf_info->size, &buf_info->phys,
+                                            GFP_KERNEL);
        if (!buf_info->virt)
                goto out_free_mem;
 
        /* copy the linear bsg buffer to buf_info */
-       memset(buf_info->virt, 0, buf_info->size);
        memcpy(buf_info->virt, payload_kbuf, buf_info->size);
 
        /*